3. Consider the following set of reactions: Overall reaction: CH4e) + NH3(8) → HCN8) + 3 H2e) AHoverall = ??? kJ Reaction 1: N2e) + 3 H2g) → 2 NH3(8) Reaction 2: Cs) + 2 H2(e) → CH4(e) Reaction 3: H2e) + 2 Cs) + N2(g) 2 HCN(e) AH, = -91.8 kJ AH2 = -74.9 kJ AH3 = +270.3 kJ a. What must be done to Reaction 1 to get NH3 on the reactant side? What is the resulting value of AH,? (Do not forget the unit) b. What must be done to Reaction 2 to get CH4 on the reactant side? What is the resulting value of AH2? (Do not forget the unit) C. What must be done to Reaction 3 to get one mole of HCN on the product side? What is the resulting value of AH3? (Do not forget the unit) d. Calculate the AHoverall by doing a summation of the modified reactions 1-3. (Do not forget the unit)

3. Consider the following set of reactions: Overall reaction: CH4e) + NH3(8) → HCN8) + 3 H2e) AHoverall = ??? kJ Reaction 1: N2e) + 3 H2g) → 2 NH3(8) Reaction 2: Cs) + 2 H2(e) → CH4(e) Reaction 3: H2e) + 2 Cs) + N2(g) 2 HCN(e) AH, = -91.8 kJ AH2 = -74.9 kJ AH3 = +270.3 kJ a. What must be done to Reaction 1 to get NH3 on the reactant side? What is the resulting value of AH,? (Do not forget the unit) b. What must be done to Reaction 2 to get CH4 on the reactant side? What is the resulting value of AH2? (Do not forget the unit) C. What must be done to Reaction 3 to get one mole of HCN on the product side? What is the resulting value of AH3? (Do not forget the unit) d. Calculate the AHoverall by doing a summation of the modified reactions 1-3. (Do not forget the unit)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

3) Which reaction below (a – d) is best classified as an acid-base (neutralization) reaction? a) 2????4 (??) + ??(??)2 (??) → 2?2?(?) + ??(???4)2(??) b) ??(?) + 2????3 (??) ⟶ 2??(?) + ??(??3)2(??) c) ??4 (?) + 2?2 (?) ⟶ ??2 (?) + 2?2?(?) d) 2??2(?) ⟶ ?2?4(?)
From the list of reactions below, pick out the combustion reactions? 1) 2C2H6(g) + 7O2 (g) → 4CO2(g) + 6H2Ol) 2) MgO(s) + CO2 (g) → MgCO3(s) 3) ZnCO3(s) → ZnO (s) + CO2 (g) 4) 2CH3OH(l) + 3O2 (g) → 2CO2(g) + 4H2O(l) a 1, 2, 3, and 4 b 3 and 4 c 2, 3, and 4 d 1, 3, and 4 e 1 and 4
Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs, write NR after the reaction arrow. LiC((aq) + K3PO:(aq)→ Li:(PO.)(aq) + 3 KCI(aq) D2+ 03+ 04+ 1 8. Os Do 1 (s) (1) (g)(aq) Li NR CI K 69°F 小 e Type here to search 1L 5 4- 3. 2.
1. Label each of the following reactions as combination (synthesis), decomposition, single replacement, or double replacement. Then complete and balance the following reactions. Reaction Type of reaction? Redox or nonredox? H2(g) + 02 (g) → K (s) + N2 (g) → C (s) + 02 (g) → H2CO3 (aq) → electrical current H₂O (1) 300°C Au2O3 (s) 300°C Ag2O (s) → NH3 (g) → Pb (s) + Cu(NO3)2 (aq) → Na (s) + HOH (1) -> BaBr2 (aq) + Na3PO4 (aq) → H2SO4 (aq) + NH4OH(aq) → Cl2 (g) + NaI (aq) → Na2S (s) + HCl(aq) → Fe (s) + 02 (g) →
4. H₂S (aq) + Reaction type: 5. CaCO3 (s)→ CO₂ (g) + Reaction type: 6. C4H10O (g) + O₂(g) → Reaction type: 7. Ss (s) + Reaction type: 8. H₂SO4 (aq) + Reaction type: AsCl3 (aq) →__ AS2S3 (s) + Fe (s) → 9. H3PO4 (aq) + Reaction type: Al (s) → CaO (s) CO₂ (g) + FeS (s) _Al2(SO4)3 (aq) + NH4OH (aq) → HCI (aq) H₂O (e) - H₂(g) (NH4)3PO4 (aq) + HOH (e)
Classify each chemical reaction: Reaction Type 2Al(s) + 3ZnBr2 (aq)→2AlBr3(aq) + 3Zn(s) choose one combination decomposition single displacement metathesis none of the above 2H2O2 (l)→ 2H2O(l) + O2(g) choose one combination decomposition single displacement metathesis none of the above Cl2(g) + 2KI(aq) → 2KCl(aq) + I2(s) choose one combination decomposition single displacement metathesis none of the above
Indicate whether or not each of the following chemical reactions represents a combustion reaction. a) 2CuS + 3O2 ⟶⟶ 2CuO + 2SO2 b) 2Mg + O2 ⟶⟶ 2MgO
Give Up? O Resources 9.4% re: Hint 8 > Consider these reactions, where M represents a generic metal. 2 M(s) + 6 HC1(aq) → 2 MCl,(aq) + 3 H, (g) 1. AĦ, = –783.0 kJ HCI(g) HCl(aq) → AH2 = –74.8 kJ H,(g) + Cl, (g) → 2 HCl(g) AH3 = –1845.0 kJ MCI, (s) → MCl, (aq) 4. AH -124.0 kJ Use the given information to determine the enthalpy of the reaction 2 M(s) + 3 Cl,(g) → 2 MCl, (s) S. AH kJ about us privacy policy terme of use contact.ua help en 2. 3.
Five chemical reactions are listed in the table below. Reaction 1 CaCO, - Cao + CO2 Reaction 2 Ca(OH)2 + 2HCI – CaCl, + 2H20 Reaction 3 NH3 + HCI - NHẠCI PbO2 - Pb + 02 2Mg + 02 - 2M80 Reaction 4 Reaction 5 Identify any synthesis reaction(s) shown in the table. A Reaction 1 B Reaction 2 C Reaction 3 D Reaction 4 E Reaction 5
When calcium open parentheses C a close parentheses is mixed with hydrochloric acid open parentheses H C l close parentheses, a single-displacement reaction occurs. What will be the product or products?
Classify the following reaction: H2 (g) + 02(g) --> H2O (g) Synthesis or Combination Decomposition Single Displacement or Replacement Double Displacement or Replacement Combustion
9. Complete and balance the equation for each example of a double-displacement reaction below. a) HF + KOH → b) AGNO3 + KCI → c) KOH + ZNC12 → d) NHẠCI + Ca(NO3)2 → 10. Given the unbalanced equation: Na + H2O → NaOH +H2. When properly balanced, the sum of the balancing coefficients is? us SEP 28 27 étv